3.3 Man-made satellites

Astronauts live in the ____________________ and conduct experiments.

• International Space Room

• International Space Station

• International Space Rocket

• International Space House

People can find out their exact location on Earth by using a...

• Global Drection System (GDS) receiver.
• Regional Positioning System (RPS) receiver.
• Global Positioning System (GPS) receiver.

A satellite that travels in an orbit that exactly matches the Earth's rotation is traveling in a(n)

• low Earth orbit (LEO).
• low stationary orbit (LSO).
• geostationary orbit (GEO).
• high Earth orbit (HEO).

The velocity a rocket must achieve to establish an orbit around another object in space

• Orbit Velocity

• Velocity

• Space shuttle

• probe

The velocity a rocket must reach to escape from a planet or moons gravitational pull

• Vacuum

• Satellite

• Escape velocity

• Geosynchronous orbit

Which of the following is needed to calculate escape speed for a rocket from earth?

• mass of fuel used in the rocket
• mass of the rocket
• mass of Earth
• all of the above

Tags

NGSS.HS-PS2-4

Calculate the linear speed of a satellite in an orbit 900 km above Earth’s surface. Given G = 6.67 x 10^-11 N m^2 kg^-2, radius of earth is 6370 km and mass of the earth is 5.97 x 10^24 kg.

• 1.05 x 10^4 m s^-1

• 2.97 x 10^4 m s^-1

• 9.40 x 10^5 m s^-1

• 7.40 x 10^3 m s^-1

Calculate the escape velocity of a satellite in an orbit 300 km above Earth’s surface. Given G = 6.67 x 10^-11 N m^2 kg^-2, radius of earth is 6370 km and mass of the earth is 5.97 x 10^24 kg.

• 7.73 km s^-1

• 10.9 km s^-1

• 36.4 km s^-1

• 244 km s^-1

Which of the following is true about non-geostationary satellites?

• Its orbital period around the earth is one day.

• It is at a height of (35000-36000) km above the equator of surface of the earth.

• Example of the satellites are GPS.

• It can be in an orbit of which is very close to the surface of the earther or very further away from the surface of the earth.

• Example of the satellites are communication satellites.